The M 'cook collection offers professionals and household cooks the highest culinary technology. The 5-ply 18/10 stainless steel provides perfect conductivity for each product, thanks to fast and uniform heat distribution. The handles are made of cast stainless steel or cast iron, and reinforce the pure and modern design of this line. This collection provides the most demanding cook, with the greatest pleasure. Polished exterior. Non-corrosive. 50% more effective than a sandwich bottom... saves cooking time and energy. Handles are fixed with sturdy stainless steel rivets. Stainless steel handles are 'stay cool'.